eip meaning

When installing the FileInfo extension under Linux, what is the meaning of the following error message (hundred spent, can not find the answer) [ROOT@AY130324201613791BCA fileinfo-1.0.4]# pecl Install FileinfoWARNING: "Pear/fileinfo" is deprecated in favor of "channel://php-src/ext/fileinfo/in PHP sources"Warning:channel "Pear.php.net" have updated its protocols with "Pecl channel-update pear.php.net" to updateDownloading fileinfo-1.0.4.tgz ...Starti

I'm looking at the startup process of Yii2, where application's parent constructor is written like this; I want to ask the last sentence component::__construct ($config) What is the special meaning of the call here? public function __construct($config = []) { Yii::$app = $this; $this->setInstance($this); $this->state = self::STATE_BEGIN; $this->preInit($config); $this->registerErrorHandler($config); Co

See some trait introduction, also see in the framework. But feel trait do things, with interface can also do? Personally feel that each trait implementation of the functions are very concentrated, but also very light, this is very good, but some of the class may have to use a few trait at the same time, and if you inherit the class at the same time, the implementation of the interface, and it contains coverage, it is difficult to clarify the relationship between the class, This is my most confu

Php regular expression meaning $ string nbsp; preg_replace ( amp; (# (d {3, 5} | x [a-fA-F0-9] {4 }));), nbsp; amp; \ 1, str_replace (array ( amp;, nbsp;, nbsp; lt;, nbsp; gt;), nbsp; php regular expression meaning $ String = preg_replace ('/ (# (\ d {} | x [a-fA-F0-9] {4});)/', ' \ 1 ', Str_replace (array ('', '"', ' Special characters in the escape string '/ (# (\ D {3, 5} | x [a-fA-F0-9] {4});)

"UTF-8 BOM header information output" What is the meaning of this sentence Ah "UTF-8 BOM header information output" What is the meaning of this sentence ------ solution -------------------- UTF-8 encoding header by default there will be two special characters, these two special characters are bom ------ solution -------------------- look at this explanation: hi.baidu.com % CE % D "UTF-8 BOM header informati

A very small problem has been dealt with today. The requirement is that, from Monday to Sunday, you can only see data from Monday to Sunday. Here, you can query the range directly from the database based on the Date field. But you need PHP to generate a start date and an end date. In the beginning, I dealt with it directly. Copy the Code code as follows: $start _date = Date (' y-m-d ', Strtotime ("-2 week Monday"));$end _date = Date (' y-m-d ', Strtotime ("$start _date +6 Day")); If the date is

Ask the Cainiao about the meaning of the php template tag nbsp; lt; div nbsp; id = "tab_c6" nbsp; class = "tab_c nbsp; pd10 nbsp; cl " gt; nbsp; nb Cainiao ask for the meaning of the php template label Excuse me What does the intermediate template tag () mean? I only know what the passed parameters mean, but I don't know what the tag () is, or which page template to use. I hope you can give me mo

What does it mean to solve $this->db->execute? What is the meaning of solving $this->db->execute, I know that it is the execution of the SQL statement, who can tell me what the specific meaning, and what it can return share to: more ------Solution--------------------The Execute method that executes the DB class can return what is seen by the return of the Execute method------Solution-----------

Analyze the meaning of IDs in user-defined events Next we will explain the meaning of the internal ing event starting with pbm in PowerBuilder. Here are some main examples by class, and other events and so on.Single-choice or multiple-choice button message (prefix: pbm_bm)Whether the getcheck single-choice button or multiple-choice button is selectedWhether the getstate button is highlightedSetchec

, and other fields. Application in image processingFourier transform is the most commonly used transformation in image processing. It is a powerful tool for image processing and analysis. Mathematical definition of Fourier TransformThe Traditional Fourier transformation is a pure frequency domain analysis. It can represent the general function f (x) as the weighted sum of a cluster of standard functions, and the weight function is also the Fourier transformation of F. If F is a real value or com

is the vibrato of the beginning of the word, and the other is the true voiced vibrato of the end of the word, so there are two ROVs in the Greek letter, one is only used in the word header, one is only used at the end of the word. Sigma/SIGMA/S/is a tooth, similar to Chinese S-, rather than English [s]. There are two sigma in the Greek alphabet, similar to the one in the beginning and the other at the end of the word. It is said that the one at the end of the word can also become a syllable, An

About the meaning of 'controlfile Checkpointed at scn 'in the trace file after the control file is dumped, The meaning of 'controlfile Checkpointed at scn 'in the trace file after control file dumping Controlfile Checkpointed at scn: 0x0000. 0006c3dc 05/14/2015 05:44:54 The information obtained from DSI is as follows: Controlfile Checkpoint at SCN: It is updated after every checkpoint (may it be table

The meaning of the mathematical constant ENanyi1.E is an important constant, but I have never known what it really means.It's not like π. As we all know, π represents the circumference of the circle and the diameter ratio of 3.14159, but if I ask you, E represents what. Can you answer it?Wikipedia says: "E is the base of the natural logarithm. " But when you look at the "natural logarithm," you get the explanation: "The natural

This attribute indicates whether the view is displayed, For example, Android: visibility = "gone" in relativelayout" It has three attributes: visvisible display; invisvisible display black background entries; gone not display In the class, you can set whether it is displayed or not, setvisibility (view. Gone); Not Displayed Setvisibility (view. Visible); Display Meanings of setvisibility method values in Android View There are three values: visibility one of visible, invisible, or g

Label: Style Color OS use strong ar file problem code 1. enumerate the meaning of each attribute value Compile, default value. It applies to all stages and is packaged into the project. Provided, similar to compile, expects JDK, container, or user to provide this dependency. Runtime, used only at runtime, such as the JDBC driver, applicable to the running and testing stages. Test, which is only used for testing and is used to c

The following describes the Greek alphabet, pronunciation, meaning, and correspondence with English letters.-- Khler Serial number Uppercase Lowercase English letters English Phonetic Alphabet International Phonetic Alphabet Chinese pronunciation Meaning 1 Bytes α A Alpha

No response script warning-meaning and Solutions Firefox may bring up the following prompt: "Warning: the script does not respond", with the following content --"A script on the current page is busy or the response has stopped. You can stop the script immediately, or you can continue to wait until the script ends.This article describes the cause of this prompt, as well as possible solutions and trade-offs. This error message indicates that Firefox con

In the website log , we often see a lot of HTTP code returned, such as 201, 304, 404, and so on. However, these specific return HTTP code exactly what the meaning of it, do a bit of knowledge in this, remember it doesn't matter, then look at the line, but the most important to be clear.Some of the common status codes are:200-Server successfully returned to Web page404-The requested page does not exist503-Server TimeoutA complete list of HTTP status co

providing specific values. For example:Android:textcolor= "? Android:textdisabledcolor"Note that this is very similar to resource references, except that we use a "?" Prefix instead of "@". When you use this tag, you provide the name of the property resource, which will be looked up in the subject, so you do not need to display the declaration of that type (if the declaration is in the form of Android:attr/android:textdisabledcolor). In addition to using the identifier of this resource to query

In the website log , we often see a lot of HTTP code returned, such as 201, 304, 404, and so on. However, these specific return HTTP code exactly what the meaning of it, do a bit of knowledge in this, remember it doesn't matter, then look at the line, but the most important to be clear.Some of the common status codes are:200-Server successfully returned to Web page404-The requested page does not exist503-Server TimeoutA complete list of HTTP status co